Sofa



FIG. 1 is a front elevational view of a sofa according to an embodiment of the invention.

FIG. 2 is a back elevational view of a sofa according to an embodiment of the invention.

FIG. 3 is a side elevational view of a sofa according to an embodiment of the invention, the opposite side is a mirror image thereof.

FIG. 4 is a top plan view of a sofa according to an embodiment of the invention; and,

FIG. 5 is a perspective view of a sofa according to an embodiment of the invention.

The broken lines in the figures represent stitching and form part of the claimed design. 

We claim the ornamental design for sofa, as shown and described. 